chore: fix remaining warnings on Chat files

ui/app/AppLayouts/Chat/ChatColumn.qml

@@ -313,10 +313,8 @@ StackLayout {
 
     }
 
-    ColumnLayout {
-        Layout.margins: 0
-        Layout.fillHeight: false
-        Layout.fillWidth: false
+    Item {
+        id: element
         anchors.left: parent.left
         anchors.leftMargin: 200
         anchors.right: parent.right
@@ -331,10 +329,10 @@ StackLayout {
 
         Text {
             text: "Select a chat to start messaging"
+            anchors.horizontalCenter: parent.horizontalCenter
             font.weight: Font.DemiBold
             font.pixelSize: 15
             color: Theme.darkGrey
-            Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
         }
     }
 }

ui/app/AppLayouts/Chat/ContactsColumn.qml

@@ -7,13 +7,12 @@ import QtGraphicalEffects 1.12
 import "../../../imports"
 import "./components"
 
-Column {
+Item {
     property alias chatGroupsListViewCount: chatGroupsListView.count
     property alias searchStr: searchText.text
 
     id: contactsColumn
     width: 300
-    // height: parent.height
     Layout.minimumWidth: 200
 
     Item {
@@ -343,8 +342,7 @@ Column {
                 anchors.leftMargin: Theme.padding
                 radius: 8
                 // Hide the box if it is filtered out
-                property bool isVisible: searchStr == "" || name.includes(
-                                             searchStr)
+                property bool isVisible: searchStr == "" || name.includes(searchStr)
                 visible: isVisible ? true : false
                 height: isVisible ? 64 : 0
 
@@ -441,7 +439,7 @@ Column {
 
 /*##^##
 Designer {
-    D{i:0;height:770;width:300;formeditorColor:"#ffffff"}
+    D{i:0;formeditorColor:"#ffffff";height:770;width:300}
 }
 ##^##*/